542402023 has 2 divisors, whose sum is σ = 542402024. Its totient is φ = 542402022.

The previous prime is 542401999. The next prime is 542402027. The reversal of 542402023 is 320204245.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542402023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542401985 and 542402003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542402027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271201011 + 271201012.

It is an arithmetic number, because the mean of its divisors is an integer number (271201012).

Almost surely, 2^542402023 is an apocalyptic number.

542402023 is a deficient number, since it is larger than the sum of its proper divisors (1).

542402023 is an equidigital number, since it uses as much as digits as its factorization.

542402023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 542402023 is about 23289.5260363967. The cubic root of 542402023 is about 815.5309238353.

Adding to 542402023 its reverse (320204245), we get a palindrome (862606268).

The spelling of 542402023 in words is "five hundred forty-two million, four hundred two thousand, twenty-three".